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PHP Constant
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Jan 29th, 2018
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- PHP 5 Constants
- ❮ PreviousNext ❯
- Constants are like variables except that once they are defined they cannot be changed or undefined.
- PHP Constants
- A constant is an identifier (name) for a simple value. The value cannot be changed during the script.
- A valid constant name starts with a letter or underscore (no $ sign before the constant name).
- Note: Unlike variables, constants are automatically global across the entire script.
- Create a PHP Constant
- To create a constant, use the define() function.
- Syntax
- define(name, value, case-insensitive)
- Parameters:
- name: Specifies the name of the constant
- value: Specifies the value of the constant
- case-insensitive: Specifies whether the constant name should be case-insensitive. Default is false
- The example below creates a constant with a case-sensitive name:
- Example
- Download file on media fire : http://ow.ly/UaXH30i3XXn
- The example below creates a constant with a case-insensitive name:
- Example
- Download file on media fire : http://ow.ly/IOtt30i3Z36
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